19505115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3296

約数の個数: 48

約数和(自身を含む): 40684800

約数和(自身を除く): 21179685

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3259, 5985, 9777, 16295, 22813, 29331, 48885, 61921, 68439, 114065, 146655, 185763, 205317, 309605, 342195, 433447, 557289, 928815, 1026585, 1300341, 2167235, 2786445, 3901023, 6501705, 19505115]

約数ペア:

[(1, 19505115), (3, 6501705), (5, 3901023), (7, 2786445), (9, 2167235), (15, 1300341), (19, 1026585), (21, 928815), (35, 557289), (45, 433447), (57, 342195), (63, 309605), (95, 205317), (105, 185763), (133, 146655), (171, 114065), (285, 68439), (315, 61921), (399, 48885), (665, 29331), (855, 22813), (1197, 16295), (1995, 9777), (3259, 5985)]